Plasticity refers to the degree to which a developing structure is modifiable due to experience

Sam is known to be the fastest worker in the mail room. He has worked in the mail room for only a short time, but prides himself on being competent and a quick learner

He often gets positive comments from coworkers and his boss, which helps to motivate him and has a positive effect as he continues to challenge himself at work. As a result of his efficient style, he is also given more freedom than other workers as his boss is impressed by his ability to sort and organize mail. Sam is likely to be _______________ motivated as he continues to challenge and push himself to perform even better each day. a) intrinsically b) extrinsically c) internally d) externally

Which of the following is true of night terrors?

a. Night terrors occur primarily in children. b. Night terrors occur during non-REM sleep. c. Night terrors involve anxiety and panic. d. Night terrors usually disappear by adulthood. e. All of the above are correct.